public class Demo5 {
    public static void main(String[] args) throws InterruptedException {
        Thread t = new Thread(()->{
            for (int i = 0; i <5 ; i++) {
                System.out.println("thread");
                try {
                    Thread.sleep(1000);//线程休眠操作
                }catch (InterruptedException e){
                    e.printStackTrace();
                }
            }
            System.out.println("t end");
        });
        t.start();

        t.join(3000);

        System.out.println("main end");
    }
}
